Further refactoring of the bootchart code.

Change-Id: Ifed6ae8d481b605139fd27799574de4c2d0f5908
diff --git a/init/property_service.h b/init/property_service.h
index ff8b063..6e7fc00 100644
--- a/init/property_service.h
+++ b/init/property_service.h
@@ -17,7 +17,7 @@
 #ifndef _INIT_PROPERTY_H
 #define _INIT_PROPERTY_H
 
-#include <stdbool.h>
+#include <stddef.h>
 #include <sys/system_properties.h>
 
 extern void handle_property_set_fd(void);